Download the list of Psychologists in Massachusetts. Smartscrapers provides an accurate directory and the latest data on the number of Psychologists in Massachusetts There are 6137 Psychologists in Massachusetts as of April 1, 2026; which is an 0.00% increase from 2023. Of these locations, 4728 Psychologists which is 77.04% of all Psychologists in Massachusetts are single-owner operations, while the remaining 1409 which is 22.96% are part of larger brands. The top three cities with the most Psychologists are Boston with 4769 Psychologists, Worcester with 248 Psychologists, Northampton with 115 Psychologists. Average age of Psychologists in Massachusetts is 5 years and 5 months.